Patents by Inventor Yoshihito Okumura

Yoshihito Okumura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240067579
    Abstract: Provided is a surface treatment agent capable of imparting superior antifouling property as well as good and durable hydrophilicity to an inorganic substrate. The surface treatment agent is one comprising a pretreatment agent and a hydrophilizing treatment agent and being to be sequentially applied to an inorganic substrate, wherein the pretreatment agent comprises a silane compound having a reactive silyl group and an organic functional group and a polyfunctional monomer, and the polyfunctional monomer has one or more first reactive groups that react with the organic functional group and one or more second reactive groups that react with the hydrophilizing treatment agent.
    Type: Application
    Filed: December 13, 2021
    Publication date: February 29, 2024
    Applicants: LIXIL Corporation, NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Yoshihito OKUMURA, Yusuke NAKASHIMA, Kazuki YOSHIOKA, Takahito NAKASE, Yusuke SATO, Yugo TAKEMOTO, Kiyoe MAEJIMA
  • Publication number: 20230113284
    Abstract: Provided is a hydrophilic treatment coating composition which imparts a soil guard property and is superior in durability of soil guard performance. Provided is a hydrophilic treatment coating composition for an inorganic substrate surface-treated with a silane coupling agent (S), comprising a hydrophilic compound (A) and a hydrophilic compound (B), wherein the hydrophilic compound (A) is a compound having at least one of a sulfonic acid group and an alkali metal salt of a sulfonic acid group, and the hydrophilic compound (B) is a compound having a quaternary ammonium cationic group.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 13, 2023
    Applicants: LIXIL Corporation, NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Yoshihito OKUMURA, Yusuke NAKASHIMA, Kazuki YOSHIOKA, Takahito NAKASE, Yusuke SATO, Hirotsugu MANO, Yugo TAKEMOTO, Kiyoe MAEJIMA
  • Patent number: 10793721
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: October 6, 2020
    Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
  • Patent number: 10774221
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: September 15, 2020
    Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
  • Patent number: 10563067
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: February 18, 2020
    Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
  • Publication number: 20200032070
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Application
    Filed: October 1, 2019
    Publication date: January 30, 2020
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
  • Publication number: 20200032069
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Application
    Filed: October 1, 2019
    Publication date: January 30, 2020
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
  • Publication number: 20170174901
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Application
    Filed: July 16, 2015
    Publication date: June 22, 2017
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani